Abstract #5043

Transient respiratory motion artifacts in multiple arterial phases of contrast-enhanced dynamic MR imaging of the abdomen: a comparison using gadoxetate disodium and gadobutrol.

Masahiro Tanabe¹, Mayumi Higashi¹, Keisuke Miyoshi¹, Sei Nakao¹, Etsushi Iida¹, Matakazu Furukawa¹, and Katsuyoshi Ito¹

¹Radiology, Yamaguchi University Graduate School of Medicine, Ube, Yamaguchi, Japan

This study compared the occurrence of transient respiratory motion artifacts (TRMA) in multiple arterial phases of contrast-enhanced MR imaging using a rapid acquisition technique with high temporal and spatial resolution between gadoxetate disodium and gadobutrol. This study showed that the frequency of TRMA after third arterial phase was significantly higher in patients using gadoxetate disodium than in patients using gadobutrol. In multiple arterial phase dynamic MR imaging, the frequency of TRMA in gadoxetate disodium increased, compared with gadobutrol, caused by the intolerable respiratory suspension after third arterial phase, possibly due to contrast agent-related effect.

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